Improved composition for lining journal-boxes



P. S. DEVLAN, OF JERSEY OITY, NEW JERSEY.

IMPROVED COMPOSITION FOR LINING JOURNAL-BOXES.

Specification forming part of Letters Patent No. 5 RJOH, dated December 26. 1865.

To all whom it may concern: I have found it best to form the boxes and Be it known that I, PATRICK S. DEVLAN, other rubbingsurfaces with cavities to receive of Jersey City, county of Hudson, and State the composition in the plastic state, which, 011 of New Jersey, have invented a new and Imthe application of pressure to it, will spread proved Composition for Lining Journal-Boxes over the entire or any desired portion of the and other Rubbing-Surfaces; and I do hereby surfaces. This mode of lining boxes has been declare that the following is a full, clear, and practiced successfully with other compositions. exact description thereof. and therefore does not require to be particu- My said invention consists of a compound larly described. of silicate of soda or potash, fibrous substance, It will be found on trial that the lining of plumbago, and soapstone, to be used as a linboxes and otherrubbing-surfaces with this coming for journal-boxes and other rubbingsun pound willprerent heatingand greatly reduce faces, to prevent the heating of such surfaces friction. and reduce friction. Although I have above given the propor- The mode of preparing and applying the tious of theingredients with whichI have prosaid compound which I have practiced with duced the best results, I do not wish to be unsuccess is as follows, viz: I take one pound derstood as limiting my claim of invention to of silicate of soda or potassa, one pound of the said proportions. Vegetable fiber, properljreduced, and by prefhat I claim as my invention, and desire erencein the state of pulp suitable for making to secure by Letters Patent as a lining for paper, a. quarter of a pound of plumbago, journal-boxes and other rubbirig-surfaces, is- (graphite,) and one-eighth of a pound ofsoap- The compound, substantially as described, stone, the two latter ingredients in the pulconsisting of silicate of soda or potash, vegeverized state, and I thoroughly mix them and table fiber, plumbago, and soapstone, as set bring the compound to a plastic state. forth.

The compound thus prepared is to be ap- P. S. DEVLAN. plied to the inner surface of journal-boxes and Witnesses:

other rubbing-surfaces to form a lining to such surfaces, and there compressed and dried.

ANDREW DE LACY, WM. H. BISHOP. 

